Examples of geospatial information Cadastre, Land Registry & Mapping Agency Rotterdam, 15 May 2013 Michiel Pellenbarg Ramona van Marwijk

Analysis housing market Housing market Mortgages

M2-prices paid by municipalities for land

Spatial analysis Municipal land acquisition Commercial activities at Katendrecht (Rotterdam)

Effect of spatial investments A-30 A-50 Effects of transportation infrastructure development on housing prices A50:  Noise pollution: -6%  Increased traffic intensity: -3%  Improved accessibility: +5% to +8.5% A30  Non-significant results Anticipation effect Housing prices around A50 increase before actual opening of new road

Spatial structure of neighbourhoods

Development housing prices related to year of construction Deviation in % of average value in related area Period

Crowd sourcing – App for landmarks Using the crowd  Checking information  Gathering new information

Crowd sourcing Application   App for landmarks

Discussion  Other examples (open data, geo information, spending...)  Role of different actors  Technological developments

Concluding  Much information available –Up to date –Detailled –Comparable and testable  What is relevant and how is it applied? –From availibity to necessity (goal, efficiency) –Techonology push / data push versus demand pull –Monitoring based on goals and process of evaluation (looking back to go forward?  Defining the question is the challenge –Whom to inform? –What information? –Whom to involve? →Use these insights to adapt information and technology

Thanks!